We should remember to save water resource and not to leave the water_____all the time.
| A．to be running | B．to run | C．running | D．run |
I’m wondering whether the police have _____ a warning to people living in this area after several robberies.
| A．put away | B．put out |
| C．put off | D．pull out |
“We will do the right thing and do what we have to do investigate crimes ______ they exist,” claimed the police officer in chief.
| A．whatever | B．wherever |
| C．whichever | D．however |
_____ what many people thought, the graduate came here not to _______ fame or money but the true value of life.
| A．On the contrary with; look for |
| B．To the contrary of; hunt for |
| C．Opposite to; search |
| D．Contrary to; seek |
The topic of the Romany will continue to be controversial, and the peace between them and many European is tentative_______.
| A．at last | B．at latest |
| C．at least | D．at best |
The pipes have oil or water inside them, which is heated and sent to the storage tank until ______ to produce electricity.
| A．needed | B．needing |
| C．to need | D．having needed |